<template>
    <div class="header-box">
      
    </div>
  </template>
  
  <script>
  export default {
    name: 'HelloWorld',
    props: {
      msg: String
    }
  }
  </script>
  
  <!-- Add "scoped" attribute to limit CSS to this component only -->
  <style scoped lang="scss">
 .header-box{
    background:green
 }
  </style>
  